PHOTOS: Brookfield Zoo Welcomes Gray Seal PupA gray seal pup was born Dec. 26 at Brookfield Zoo.
Heart-Shaped Treats For Animals At Brookfield ZooThat's right, the keepers at the Brookfield Zoo are, as it turns out, romantics at heart when it comes to the animals in their care. Many animals on Thursday received special heart-shaped treats to celebrate Valentine's Day.

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